|   xen-devel
Re: [Xen-ia64-devel] RE: [Xen-devel] Help? Red Hat fails,	Suse/Debian bo 
| To: | Ewan Mellor <ewan@xxxxxxxxxxxxx> |  
| Subject: | Re: [Xen-ia64-devel] RE: [Xen-devel] Help? Red Hat fails,	Suse/Debian both work fine |  
| From: | Alex Williamson <alex.williamson@xxxxxx> |  
| Date: | Thu, 02 Mar 2006 11:56:57 -0700 |  
| Cc: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>,	xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>,	Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, "Magenheimer,	Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, "Xu,	Anthony" <anthony.xu@xxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |  
| Delivery-date: | Thu, 02 Mar 2006 18:57:34 +0000 |  
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| On Thu, 2006-03-02 at 18:41 +0000, Ewan Mellor wrote:
> 
> These are requests from the xenbus driver to create watches to monitor for new
> devices being created.  That presumably means that either your xenbus driver
> is fubar'd, or the mmap'd page is bust, as discussed earlier.
> 
> The requests that you are seeing are from xenconsoled and xend, each of which
> is using the unix domain socket to talk to the store, not the shared page.
  If I dump the xsd_kva page using mmap from another app, there are a
few entries made:
0000: 01 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00
0010: 64 65 76 69 63 65 00 00 00 00 00 00 00 00 00 00
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0400: 10 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00
0410: 45 4e 4f 45 4e 54 00 00 00 00 00 00 00 00 00 00
0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0800: 17 00 00 00 17 00 00 00 00 00 00 00 17 00 00 00
As you indicate, lots of output in the xenstored-trace file, but hardly
anything here.  We are getting some transactions in there though, so
maybe we're dealing with a memory ordering issue.  Thanks,
        Alex
-- 
Alex Williamson                             HP Linux & Open Source Lab
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